Make a scatter plot of the data below.
Speed Stopping
(mph) distance (ft)
10 12.5
20
36.0
169.5
114.0
169.5
160 249.0
70325.5
Use the quadratic regression feature of a graphing calculator to find a quadratic model. Round to the nearest hundredths plac
a. y -0.06x2 +0.31x + 4
b. y --403x2 + 0.32x + 8.19
C. y = 0. 063 - 0312-4
d. y = 4.03x2 - 0.32x-8.19
Submitted
Answer is A

Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4

Analyze the data sets below. data set a 25,25,25,26,26,26,27,28,28,29,30,31,31,32,33,33,34,35,35,35 data set b 25,25,25,26,26,26,26,27,27,27,27,28,28,29,29,30,31,31,32,34 which of the following statement are true? select all that apply. a. data set a is relatively symmetric and data set b is skewed left. b.the means of the data sets are within 3 units from eachother. c.the data sets have the same standard deviation. d.the mean of data set a is 27.95 and the mean of data set b is 30. e. the data set b has a higher standard deviation than data set a. f. the mean and median of data set a are close in value.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15